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(n.) short for unnecessary urban dictionary entry.

this may include definitions of friends, widely known celebrity names, entries that should not have been qualified according to entry guidelines but for some reason made it through the system anyways, words that already exist in real dictionaries, and just about every single entry that has ever been included in urbandictionary.com ever, including this one.
urbandictionary.com is full of uudes.
by Maxabillion January 19, 2010